GOODWILL, INDEFINITE-LIVED INTANGIBLE ASSETS, AND OTHER INTANGIBLE ASSETS - Change in Carrying Amount of Indefinite-lived Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Carrying amount of our broadcast licenses
Beginning balance	$ 171	$ 158
Acquisition / Disposition	(21)	13
Ending balance	150	171
Consolidated VIEs
Carrying amount of our broadcast licenses
Beginning balance	14
Ending balance	14	14
Broadcast
Carrying amount of our broadcast licenses
Beginning balance	144	131
Acquisition / Disposition	(21)	13
Ending balance	123	144
Other
Carrying amount of our broadcast licenses
Beginning balance	27	27
Acquisition / Disposition	0	0
Ending balance	$ 27	$ 27